Thanks! I did not drain the pool yet; it is very slowly clearing up. I have wondered about an issue with my sand filter...I just bought the home. The pool was put in in 1979 and the filter is stainless steel and looks like it is probably original equipment. I talked to the pool store that had been servicing the pool before I bought the house. They said they just replaced the sand last season. I am getting alot of "stuff" on the floor out from the returns. I can vacuum in the evening and the very next morning I will have all that crap on the floor again. We do live in very sandy conditions, but even when the wind hasn't blown I will have stuff back in the pool in the morning. The sand filter looks like it comes apart in half, has a retainer ring around the middle of it. Can I open it up without dumping all the sand out all over and look for a problem? The pool store did tell me that I would eventually need to replace the filter, but to baby it along until it quits. They said it will be like $1200 for a new one and valve since I have low clearance where the filter sets. All hlep and advice is greatly appreciated!!